The Door Alarm button lets you turn the door alarm on and off. If the door alarm is set to On, an alarm beeps if any refrigerator door is left open for more than two minutes.The beeping stops when you close the door. The Door Alarm function is pre-set to On in the factory. You can turn it off by
touching and then releasing this button. You can turn it back on in the same fashion. The icon lights up when the function is on. When the Door Alarm function is on and the alarm sound is triggered, the Door Alarm Icon will blink while the alarm sound. ^Heath